Malicious PDF — malware analysis report

Static analysis result for SHA-256 0eccc8f5768127c0…

MALICIOUS

PDF

35.7 KB Created: 2021-07-01 20:46:00 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 5760a7e146ccd3b7e30dc95f7bc6f79e SHA-1: c658370e40be6fe734ec6c813992fcb98f00bcb4 SHA-256: 0eccc8f5768127c0bd40c58b31ba4cea8c6acc25c02de746c69a0d3d8e1f2671
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains embedded URLs and heuristics indicate it's a lure for game hacks, specifically mentioning 'cheat engine' and 'Roblox'. The primary URL points to a resource that likely serves a malicious payload. The document body, though partially garbled, also contains references to game hacks and URLs.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • External URI info PDF_URI
    PDF contains an external URL action
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://netcdn.co/app/431946152/cheat-enginge-how-to-make-roblox-not-crash-game-hack PDF link annotation
    • https://pn-tapaktuan.go.id/pustaka/repository/veste-armed-free-roblox_GM431946152.pdfIn PDF document text
    • https://pn-tapaktuan.go.id/pustaka/repository/roblox-hack-cheat-buddy_GM431946152.pdfIn PDF document text
    • https://pn-tapaktuan.go.id/pustaka/repository/botton-complex-free-robux_GM431946152.pdfIn PDF document text
    • https://pn-tapaktuan.go.id/pustaka/repository/how-to-hacked-to-stop-getting-killed-in-roblox_GM431946152.pdfIn PDF document text
    • https://pn-tapaktuan.go.id/pustaka/repository/blox-world-free-robux_GM431946152.pdfIn PDF document text
    • https://pn-tapaktuan.go.id/pustaka/repository/free-robux-no-downloading-apps_GM431946152.pdfIn PDF document text
    • https://pn-tapaktuan.go.id/pustaka/repository/roblox-hacks-and-exploits_GM431946152.pdfIn PDF document text
    • https://pn-tapaktuan.go.id/pustaka/repository/free-robux-free-robux_GM431946152.pdfIn PDF document text
    • https://pn-tapaktuan.go.id/pustaka/repository/roblox-aimbot-download-free_GM431946152.pdfIn PDF document text
    • https://pn-tapaktuan.go.id/pustaka/repository/getting-roblox-cheats_GM431946152.pdfIn PDF document text
    • https://pn-tapaktuan.go.id/pustaka/repository/free-robux-generator-with-group_GM431946152.pdfIn PDF document text
    • https://pn-tapaktuan.go.id/pustaka/repository/free-coin-master-gifts_GM406889139.pdfIn PDF document text
    • https://pn-tapaktuan.go.id/pustaka/repository/free-rewards-coin-master_GM406889139.pdfIn PDF document text
    • https://pn-tapaktuan.go.id/pustaka/repository/free-robux-generator-without-verify_GM431946152.pdfIn PDF document text
    • https://pn-tapaktuan.go.id/pustaka/repository/play-games-on-roblox-free_GM431946152.pdfIn PDF document text
    • https://pn-tapaktuan.go.id/pustaka/repository/roblox-before-the-dawn-cheats_GM431946152.pdfIn PDF document text
    • https://pn-tapaktuan.go.id/pustaka/repository/how-to-get-btools-in-roblox-2021-no-hack_GM431946152.pdfIn PDF document text
    • https://pn-tapaktuan.go.id/pustaka/repository/complete-offers-for-robux_GM431946152.pdfIn PDF document text
    • https://pn-tapaktuan.go.id/pustaka/repository/download-coin-master-hack-mod-apk_GM406889139.pdfIn PDF document text
    • https://pn-tapaktuan.go.id/pustaka/repository/all-the-free-hair-in-roblox_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000032a6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x32A6 22804 bytes
SHA-256: 7acf98bf2adde728f5d1baf996ef9265c6a9126b60f46e2454ff51218ff05333
font_01_sfnt_off0000658c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x658C 19404 bytes
SHA-256: d59c2edaffc798267d0975c344ec2f89faa8dd5b5b8991857b18fc3c57b3ad74

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